Can't remember whether I replied to this or not but there were a few; under the sink in a public bathroom, on the floor behind the counter of the Cumberland Farms store I worked in (the guy on the day shift had forgotten to leave the key so I couldn't lock up on the outside, and the manager wasn't home), on the beach while my dad fished in the Atlantic, under a picnic table at a roadside area... I can pretty much sleep anywhere.
In a car on a dirt road in Joshua Tree National park. I didn't sleep that well there. I remember when I saw the moon coming up I didn't know what the hell is was at first.